Connecting fault reader — AUDI

02EA 02MA
All functions which have been carried out with the V.A.G 1551 so far can also be carried out with the new tester VAS 5051 in operation mode "Vehicle self-diagnosis".

=> Operating instructions for vehicle diagnostic, testing and information system VAS 5051

Connect VAS 5051

Special tools and workshop equipment required

VAS 5051 vehicle diagnostic, testing and information system
Diagnostic wire VAS 5051/1 or VAS 5051/3

Remove cover from diagnostic connection.
Connect tester VAS 5051 to diagnostic connection with diagnostic wire VAS 5051/1 or VAS 5051/3 with ignition switched off.
Switch ignition on.

Select operating mode:

Press switch area "Vehicle self-diagnosis" on display.

Select vehicle system:

Press switch area "22 four wheel electronics" on display.

Select diagnostic function:

At this point all diagnostic functions are available.

Press switch area on display for required function.
For further procedure see sequence of repair operations.

Note:

The following test sequences are described for fault reader V.A.G 1551.

Connect V.A.G 1551

Special tools and workshop equipment required

V.A.G 1551 fault reader

V.A.G 1551/3 or 1551/3A adapter lead

Note:

The vehicle system tester V.A.G 1552 can be used instead of the fault reader V.A.G 1551, however a print out is not possible.

Procedure

With ignition switched off, connect V.A.G 1551 with cable V.A.G 1551/3 to diagnostic connector.

V.A.G SELF-DIAGNOSIS
HELP
1 - Rapid data transfer 1)
2 - Flash code output 1)
Indicated on display:

1) displayed alternately

Notes:

If no display appears, check voltage supply to diagnostic plug according to fault finding program:

=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations

If the displays shown in the operating sequence do not appear in the display:

=> Fault reader operating instructions

If "fault in data transfer" is displayed due to input error pull wire of fault reader, reconnect and perform operating steps again.

Operate fault reader, taking into account the information on the display:
Switch ignition on.
Switch on printer with the Print key (indicator lamp in key lights up).
Press key -1- for "Rapid data transfer" operating mode.

Rapid data transfer
HELP
Enter address word XX
Indicated on display:

Press keys -2- and -2-; 22 enters the address word of the vehicle system to be tested.

Rapid data transfer
Q
22 - Four-wheel electronics
Display:

Confirm entry with Q key.

02D900554B HALDEX LSC ECC 0006
⇒
The following display is shown:

Control unit identification number,

e. g. 02D900554B

Allocation of control unit

=> Replacement parts catalogue

The system description (HALDEX LSC)
The software version of control unit (0006)

Press ⇒ key.

Rapid data transfer
HELP
Select function XX
Indicated on display (function selection, e.g. 02 - Interrogate fault memory)

For further procedure see repair sequences.